docs: def info(gandi, resource):
      """ Display information about a disk.
  
      Resource can be a disk name or ID
      """
      output_keys = ['name', 'state', 'size', 'type', 'id', 'dc', 'vm',
                     'profile', 'kernel', 'cmdline']
  
      resource = sorted(tuple(set(resource)))
      vms = dict([(vm['id'], vm) for vm in gandi.iaas.list()])
      datacenters = gandi.datacenter.list()
  
      result = []
      for num, item in enumerate(resource):
          if num:
              gandi.separator_line()
          disk = gandi.disk.info(item)
          output_disk(gandi, disk, datacenters, vms, [], output_keys)
          result.append(disk)
  
      return result